Pneumatic discharge bal katup
Pneumatic discharge bal katup
1,Desain lan manufaktur:GB/T12237-1989;
2, Inspeksi lan testing: GB / T13927-1992;
3 ,Fsambungan langed:GB / T9115.1-2000.
4,Ukuran pasuryan-kanggo-pasuryan:JD-2002.
Tulis pesen ing kene lan kirim menyang kita